Canon Rebel SL1 EOS 100D Instruction Manual page 97

Menu Function Settings
• If you want to stop focusing at the target spot or if you do not want
the lens operation noise to be recorded, you can temporarily stop
Movie Servo AF as follows. When you stop Movie Servo AF, the
AF point will turn gray. When you perform the same steps below,
Movie Servo AF will resume.
• Press the <_> button.
• Tap the [_#,_] icon on the lower left of the screen.
• If [6: Shutter/AE lock button] is set to [2: AF/AF lock, no AE
lock] in the [_'4: Custom Functions (C.Fn)], Movie Servo AF
will stop while you hold down the <-X-> button. When you let go
of the <-X-> button, Movie Servo AF will resume.
• While Movie Servo AF is stopped, if you press a button such as
<MENU> or <r-cq> and then return to movie shooting, Movie Servo
AF will resume.
When [Disable] is set:
• Press the shutter button halfway to focus.
Cautions When [Movie Servo AF] is Set to [Enable]
Shooting Conditions that Make Focusing Difficult
A fast-moving subject approaching or moving away from the camera.
A subject moving at a close distance in front of the camera.
Also see "Shooting conditions that make focusing difficult" on page 170.
• During zooming or image magnification, Movie Servo AF wilt temporarily
stop.
• During movie shooting, if a subject approaches or moves away or if
you move the camera vertically or horizontally (panning), the
recorded movie image may momentarily expand or contract (change
in image magnification).
2O8